SELF TEST 1.docx - SELF TEST - 1 1.The branch of physics...

SELF TEST - 1
1.The branch of physics which deals with the ultimate particles of which the matter is composed is?
(A) Plasma physics (B) Atomic physics
(C) Nuclear physics (D) Particle physics
2.The S.I unit of “Pressure” in terms of base units are:
(A) kg m -1 s -2 (B) kg m -1 s -3
(C) kg ms -2 (D) kg m 2 s -2
3.Solid angle subtended at the center by a sphere is:
(A) 2π (B) 4π
(C) 6π (D) 8π
4.The S.I unit is called angle is:
(A) Steradian (B) Degree
(C) Revolution (D) Radian
5.A positron is:
(A) An electron (B) A proton
(C) An antiparticle of electron (D) An antiparticle of proton
6.The units of some physical quantities are given below. Which of these is a base unit?
(A) Joule (B) Newton
(C) Mole (D) Centigrade
7.________ is not a derived unit.
(A) Newton (B) Joule
(C) Coulomb (D) Ampere
8.SI unit of plane angle is:
(A) Radian (B) Degree
(C) Steradian (D) Revolution
9.The angle made by ice cone at its edge is a:
(A) Plane angle (B) Solid angle
(C) Critical angle (D) Obtuse angle
10. The ratio of circumference of circle to its diameter is equal to:
(A) 2π radian (B) π
(C) π/2 radian (D) One steradian
11.